it has been used to respond to humanitarian crisis such as hurricane katrina. it is the military might steaming in for fleet week. >> it is a fun time of year. boy, impressive stuff. >>> let's take you outside. a very nice night to wp up the big orae open world conference in san francisco. >> and this is treasure island where there is a big party. pearl jam is performing, and it looks like there is a ferris wheel out there. >> and sandhya patel is here. a beautiful day all over the bay area. >> that's right. and they are jamming to cooler weather here in the bay area. it is 14 dries -- 14 degrees cooler. so it is certainly better weather. we will show you what brought the cooling, and this is a time lapse from this afternoon. watch the marine layer as it deepens. it is the fog layer we are talking about. it has increased. it is 2200 feet deep. that will allow it as we check out live doppler 7hd to push into the bayside communities and into some the inld valleys. already mad its wa into the nth bay an down the sanas valle were in fr quite a bit of fog. it heads